[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 21 18:03:11 UTC 2022
This is an automated weekly mailing describing the state of the Global
IPv4 Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
Daily listings are sent to bgp-stats at lists.apnic.net.
For historical data, please see https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 22 Oct, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 913066
Prefixes after maximum aggregation (per Origin AS): 344590
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 440326
Total ASes present in the Internet Routing Table: 73756
Prefixes per ASN: 12.38
Origin-only ASes present in the Internet Routing Table: 63346
Origin ASes announcing only one prefix: 25997
Transit ASes present in the Internet Routing Table: 10410
Transit-only ASes present in the Internet Routing Table: 406
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1071
Number of instances of unregistered ASNs: 1074
Number of 32-bit ASNs allocated by the RIRs: 40454
Number of 32-bit ASNs visible in the Routing Table: 33551
Prefixes from 32-bit ASNs in the Routing Table: 161990
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 527
Number of addresses announced to Internet: 3064300672
Equivalent to 182 /8s, 165 /16s and 132 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 310145
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 238444
Total APNIC prefixes after maximum aggregation: 67879
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 233482
Unique aggregates announced from the APNIC address blocks: 96704
APNIC Region origin ASes present in the Internet Routing Table: 13033
APNIC Prefixes per ASN: 17.91
APNIC Region origin ASes announcing only one prefix: 3749
APNIC Region transit ASes present in the Internet Routing Table: 1754
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8277
Number of APNIC addresses announced to Internet: 773734912
Equivalent to 46 /8s, 30 /16s and 66 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-151865
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 266668
Total ARIN prefixes after maximum aggregation: 121596
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 267868
Unique aggregates announced from the ARIN address blocks: 128736
ARIN Region origin ASes present in the Internet Routing Table: 19057
ARIN Prefixes per ASN: 14.06
ARIN Region origin ASes announcing only one prefix: 6949
ARIN Region transit ASes present in the Internet Routing Table: 1929
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4649
Number of ARIN addresses announced to Internet: 1290070784
Equivalent to 76 /8s, 228 /16s and 235 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8,
66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8,
73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8,
99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 261853
Total RIPE prefixes after maximum aggregation: 120667
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 258723
Unique aggregates announced from the RIPE address blocks: 154172
RIPE Region origin ASes present in the Internet Routing Table: 28174
RIPE Prefixes per ASN: 9.18
RIPE Region origin ASes announcing only one prefix: 12012
RIPE Region transit ASes present in the Internet Routing Table: 3975
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10855
Number of RIPE addresses announced to Internet: 716370304
Equivalent to 42 /8s, 178 /16s and 241 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 116487
Total LACNIC prefixes after maximum aggregation: 28055
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 116038
Unique aggregates announced from the LACNIC address blocks: 48355
LACNIC Region origin ASes present in the Internet Routing Table: 10983
LACNIC Prefixes per ASN: 10.57
LACNIC Region origin ASes announcing only one prefix: 2685
LACNIC Region transit ASes present in the Internet Routing Table: 2246
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8746
Number of LACNIC addresses announced to Internet: 175887616
Equivalent to 10 /8s, 123 /16s and 213 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 28543
Total AfriNIC prefixes after maximum aggregation: 5600
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 36428
Unique aggregates announced from the AfriNIC address blocks: 11935
AfriNIC Region origin ASes present in the Internet Routing Table: 1699
AfriNIC Prefixes per ASN: 21.44
AfriNIC Region origin ASes announcing only one prefix: 602
AfriNIC Region transit ASes present in the Internet Routing Table: 325
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1024
Number of AfriNIC addresses announced to Internet: 107936768
Equivalent to 6 /8s, 110 /16s and 252 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9808 9071 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5928 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4726 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3501 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3389 1877 66 VNPT-AS-VN VNPT Corp, VN
4766 2533 11252 600 KIXS-AS-KR Korea Telecom, KR
9498 2491 499 237 BBIL-AP BHARTI Airtel Ltd., IN
24560 2241 851 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2179 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 7419 10586 2886 AMAZON-02, US
11492 4612 305 508 CABLEONE, US
7155 3899 265 32 VIASAT-SP-BACKBONE, US
22773 3771 3065 348 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3544 1851 2544 AKAMAI-AS, US
6327 3504 1320 63 SHAW, CA
749 3027 50696 2294 DNIC-AS-00749, US
7018 2639 24156 1591 ATT-INTERNET4, US
30036 2600 367 258 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2554 3479 346 GOOGLE-CLOUD-PLATFORM, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6909 1730 144 UNI2-AS, ES
9121 6834 1692 17 TTNET, TR
20940 4111 3400 182 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2946 2290 913 ROSTELECOM-AS, RU
9009 2623 252 1348 M247, RO
6849 2477 339 20 UKRTELNET, UA
34984 2243 357 616 TELLCOM-AS, TR
47331 2076 322 1579 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10744 3314 605 Uninet S.A. de C.V., MX
10620 3469 510 837 Telmex Colombia S.A., CO
11830 2301 369 64 Instituto Costarricense de Electricidad
13999 2075 338 538 Mega Cable, S.A. de C.V., MX
28573 1337 2330 260 Claro NXT Telecomunicacoes Ltda, BR
6503 1294 338 520 Axtel, S.A.B. de C.V., MX
3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1089 369 22 Telefonica del Peru S.A.A., PE
11664 1089 181 466 Techtel LMDS Comunicaciones Interactiva
26615 986 2466 43 TIM SA, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1574 393 21 LINKdotNET-AS, EG
24835 1518 521 31 RAYA-AS, EG
36992 1350 1519 270 ETISALAT-MISR, EG
36903 1260 550 99 MT-MPLS, MA
29571 1014 68 32 ORANGE-COTE-IVOIRE, CI
36935 815 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 526 53 42 WANANCHI-, KE
37342 486 32 1 MOVITEL, MZ
23889 400 231 14 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10744 3314 605 Uninet S.A. de C.V., MX
9808 9071 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7419 10586 2886 AMAZON-02, US
12479 6909 1730 144 UNI2-AS, ES
9121 6834 1692 17 TTNET, TR
7545 5928 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4726 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4612 305 508 CABLEONE, US
20940 4111 3400 182 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9071 9021 CHINAMOBILE-CN China Mobile Communications Grou
9121 6834 6817 TTNET, TR
12479 6909 6765 UNI2-AS, ES
7545 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4726 4651 ERX-CERNET-BKB China Education and Research Net
16509 7419 4533 AMAZON-02, US
11492 4612 4104 CABLEONE, US
39891 4010 3963 ALJAWWALSTC-AS, SA
8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
20940 4111 3929 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.136.112.0/24 Origin: 54835 UNASSIGNED
23.136.112.0/24 Transit: 21559 OSNET, PR
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.158.240.0/24 Origin: 13465 UNASSIGNED
23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA
23.181.240.0/24 Origin: 399613 UNASSIGNED
23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR
24.48.128.0/19 Origin: 29866 OPTICALTEL, US
24.48.128.0/19 Transit: 3257 GTT-BACKBONE GTT, US
Complete listing at https://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:13 /10:39 /11:100 /12:294
/13:589 /14:1202 /15:2046 /16:13513 /17:8343 /18:13980
/19:25194 /20:44406 /21:52220 /22:109690 /23:97714 /24:542921
/25:786 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
9121 5980 6834 TTNET, TR
12479 5918 6909 UNI2-AS, ES
8151 4740 10744 Uninet S.A. de C.V., MX
11492 3519 4612 CABLEONE, US
8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3312 3504 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2988 3899 VIASAT-SP-BACKBONE, US
22773 2782 3771 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2340 2477 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1908 2:1029 3:166 4:5 5:3945 6:116
7:5 8:1591 9:1 11:173 12:1623 13:347
14:2375 15:275 16:69 17:360 18:343 20:241
21:4 22:188 23:5967 24:2473 25:6 27:2713
29:19 31:2452 32:94 34:7 35:90 36:1867
37:4484 38:3650 39:753 40:159 41:3969 42:1181
43:2298 44:296 45:16261 46:4225 47:375 49:1719
50:1930 51:242 52:1500 54:394 55:838 56:8
57:78 58:1791 59:1164 60:994 61:2386 62:2542
63:1968 64:5628 65:2327 66:4845 67:2967 68:1377
69:4164 70:1303 71:678 72:2998 74:2652 75:1474
76:599 77:2249 78:3959 79:3156 80:2051 81:1826
82:1527 83:1220 84:1424 85:3744 86:738 87:1914
88:2841 89:3438 90:545 91:7599 92:2078 93:2548
94:3541 95:4799 96:1345 97:348 98:1171 99:739
100:68 101:1064 102:2318 103:30334 104:4544 105:477
106:890 107:2543 108:900 109:4333 110:2019 111:3323
112:2066 113:1551 114:1525 115:2019 116:1922 117:2482
118:2323 119:1853 120:1738 121:1089 122:2555 123:2116
124:1553 125:2188 128:1244 129:981 130:972 131:2007
132:834 133:379 134:1906 135:290 136:869 137:889
138:2528 139:1522 140:1137 141:1475 142:1399 143:1418
144:1204 145:349 146:1879 147:1535 148:2253 149:1830
150:875 151:1120 152:1823 153:469 154:3795 155:1426
156:1638 157:1303 158:1046 159:2185 160:2571 161:1373
162:3502 163:1436 164:1678 165:1635 166:812 167:1717
168:3825 169:893 170:4545 171:852 172:3457 173:3104
174:1034 175:1147 176:3593 177:4746 178:3558 179:2107
180:2340 181:3283 182:3234 183:1939 184:2355 185:19837
186:4533 187:3956 188:4041 189:3450 190:8996 191:1453
192:10982 193:8737 194:7160 195:5062 196:2984 197:2461
198:6005 199:6064 200:7616 201:5833 202:10554 203:10061
204:4562 205:3477 206:3883 207:3444 208:4095 209:4789
210:4338 211:2435 212:4046 213:3561 214:1099 215:53
216:6477 217:2624 218:1294 219:571 220:2046 221:924
222:826 223:2014
End of report
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